local function length_of(coll)
  if coll then
    local c = 0
    for k in pairs(coll) do
      c = (c + 1)
    end
    return c
  else
    return 0
  end
end
local function first(coll)
  local key = next(coll)
  return coll[key]
end
local function starts_with(s, patt)
  return (string.sub(s, 1, string.len(patt)) == patt)
end
local function un_quote(s)
  return string.gsub(s, "'", "")
end
local function max(a, b)
  if (a > b) then
    return a
  else
    return b
  end
end
local function matches(a, b)
  if starts_with(a, "lte:") then
    return (tonumber(string.sub(a, 5)) >= tonumber(b))
  elseif starts_with(a, "gte:") then
    return (tonumber(string.sub(a, 5)) <= tonumber(b))
  else
    return (a == b)
  end
end
local function find_items(params, _3fsort)
  _G.assert((nil ~= params), "Missing argument params on main.fnl:42")
  local results
  do
    local tbl_17_auto = {}
    local i_18_auto = #tbl_17_auto
    for _, row in ipairs(items) do
      local val_19_auto
      do
        local hit = true
        for key, param in pairs(params) do
          hit = (hit and matches(param, row[key]))
        end
        if hit then
          val_19_auto = row
        else
          val_19_auto = nil
        end
      end
      if (nil ~= val_19_auto) then
        i_18_auto = (i_18_auto + 1)
        do end (tbl_17_auto)[i_18_auto] = val_19_auto
      else
      end
    end
    results = tbl_17_auto
  end
  if (_3fsort and results) then
    table.sort(results, _3fsort)
    return results
  else
    return results
  end
end
local function find_item(params, _3fsort)
  _G.assert((nil ~= params), "Missing argument params on main.fnl:57")
  local results = find_items(params, _3fsort)
  if results then
    return first(results)
  else
    return nil
  end
end
local function find_item_by_name(name)
  return find_item({[8] = name})
end
local function find_next_better_item(class, subclass, invtype, lv, ilv, stat_position, item_stat, _3fsort)
  return find_items({[4] = class, [6] = subclass, [10] = invtype, [14] = string.format("lte:%d", lv), [stat_position] = string.format("gte:%d", item_stat)}, _3fsort)
end
local function find_good_item(invtype, lv, stat_position, stat_baseline, _3fsort)
  _G.assert((nil ~= stat_baseline), "Missing argument stat-baseline on main.fnl:77")
  _G.assert((nil ~= stat_position), "Missing argument stat-position on main.fnl:77")
  _G.assert((nil ~= lv), "Missing argument lv on main.fnl:77")
  _G.assert((nil ~= invtype), "Missing argument invtype on main.fnl:77")
  return find_items({[10] = invtype, [14] = string.format("lte:%d", lv), [stat_position] = string.format("gte:%d", stat_baseline)}, _3fsort)
end
local function parse_opts(msg)
  local tbl_17_auto = {}
  local i_18_auto = #tbl_17_auto
  for k, v in string.gmatch(msg, "%w+") do
    local val_19_auto = v
    if (nil ~= val_19_auto) then
      i_18_auto = (i_18_auto + 1)
      do end (tbl_17_auto)[i_18_auto] = val_19_auto
    else
    end
  end
  return tbl_17_auto
end
local function ui_print(msg)
  return UIErrorsFrame:AddMessage(msg)
end
local function stat_name(n)
  local stat_names = {"Mana", "Health", "No Visible Effect", "Agility", "Strength", "Intellect", "Spirit", "Stamina", "No Visible Effect", "No Visible Effect", "No Visible Effect", "No Visible Effect*", "Defense Rating", "Dodge", "Parry Rating", "Shield Block Rating", "Melee Hit Rating", "Ranged Hit Rating", "Spell Hit Rating", "Melee Critical Strike", "Ranged Critical Strike", "Spell Critical Strike", "Melee Hit Avoidance", "Ranged Hit Avoidance", "Spell Hit Avoidance", "Melee Critical Avoidance", "Spell Critical Avoidance", "Melee Haste Rating", "Ranged Haste Rating", "Spell Haste Rating", "Hit Avoidance Rating", "Hit Rating", "Critical Strike", "Hit Avoidance Rating", "Critical Avoidance Rating", "Resilience", "Haste", "Expertise", "Attack Power", "Ranged Attack Power", "No Visible Effect", "Healing Done By Magical Spells and Effects up to value", "Damage Done By Magical Spells and Effects up to value", "Mana Regeneration (Ticks every 5 seconds)", "Armor Penetration Rating", "Spell Power", "Health Regeneration (Ticks every 5 seconds)", "Spell Penetration", "Block Value of Shield", "Mastery", "Armor", "Fire Resist", "Frost Resist", "Shadow Resist", "Nature Resist", "Arcane Resist"}
  return (stat_names[(n + 1)] .. " (" .. n .. ")")
end
local function stat_print(item)
  local val = ""
  for n = 22, 56 do
    if (0 < item[n]) then
      val = (val .. " " .. stat_name((n - 21)) .. ": " .. item[n])
    else
    end
  end
  return val
end
local function main0(msg)
  local opts
  do
    local tbl_17_auto = {}
    local i_18_auto = #tbl_17_auto
    for v in string.gmatch(msg, "%w+") do
      local val_19_auto = v
      if (nil ~= val_19_auto) then
        i_18_auto = (i_18_auto + 1)
        do end (tbl_17_auto)[i_18_auto] = val_19_auto
      else
      end
    end
    opts = tbl_17_auto
  end
  local _let_11_ = opts
  local slot = _let_11_[1]
  local stat = _let_11_[2]
  local gear_index = _let_11_[3]
  local slot0 = (slot .. "Slot")
  local stat0 = (21 + tonumber(stat))
  local gear_index0 = tonumber((gear_index or "1"))
  local inv_slot = GetInventorySlotInfo(slot0)
  local i_link = GetInventoryItemLink("player", inv_slot)
  local p_level = UnitLevel("player")
  if not i_link then
    local best
    local function _12_(a, b)
      return ((a[stat0] < b[stat0]) and (a[12] < b[12]))
    end
    best = (find_good_item(inv_slot, UnitLevel("player"), stat0, 1, _12_))[gear_index0]
    if best then
      DEFAULT_CHAT_FRAME:AddMessage(string.format("|Hitem:%d:0:0:0:0:0:0:0:0|h[%s]|h|r", best[2], best[8]))
      return ui_print(("next best available: " .. best[8] .. " " .. stat_print(best) .. " at " .. best[20] .. "N/A"))
    else
      return nil
    end
  else
    local i_name = GetItemInfo(i_link)
    local stats = find_item_by_name(un_quote(i_name))
    if stats then
      local i_class = stats[4]
      local i_subclass = stats[6]
      local i_invtype = stats[10]
      local i_level = stats[12]
      local i_stat = stats[stat0]
      local best
      local function _14_(a, b)
        return (a[stat0] < b[stat0])
      end
      best = (find_next_better_item(i_class, i_subclass, i_invtype, p_level, i_level, stat0, max(i_stat, 1), _14_))[gear_index0]
      if best then
        DEFAULT_CHAT_FRAME:AddMessage(string.format("|Hitem:%d:0:0:0:0:0:0:0:0|h[%s]|h|r", best[2], best[8]))
        ui_print(("next best available: " .. best[8] .. " " .. stat_print(best) .. " at " .. best[20] .. "N/A"))
        ui_print(("currently equipped " .. i_name .. " " .. (stats[stat0] or "N/A")))
      else
      end
    else
    end
    return "ok"
  end
end
main = main0
local function maxxed()
  local slots = {"AmmoSlot", "BackSlot", "Bag0Slot", "Bag1Slot", "Bag2Slot", "Bag3Slot", "ChestSlot", "FeetSlot", "Finger0Slot", "Finger1Slot", "HandsSlot", "HeadSlot", "LegsSlot", "MainHandSlot", "NeckSlot", "RangedSlot", "SecondaryHandSlot", "ShirtSlot", "ShoulderSlot", "TabardSlot", "Trinket0Slot", "Trinket1Slot", "WaistSlot", "WristSlot"}
  return slots
end
return maxxed